#151F34#151F34

#151F34 is a very dark, muted blue. Relative luminance 0.014; OKLCH L 24.1% C 0.043 H 264.1°. Best body text is #FFFFFF at 16.44:1 contrast (WCAG AA passes).

Color values

HEX	#151F34
RGB	rgb(21, 31, 52)
HSL	hsl(221, 42%, 14%)
HSV	hsv(221, 60%, 20%)
CMYK	cmyk(59.6%, 40.4%, 0%, 79.6%)
CIE-LAB	lab(11.87, 2.98, -15.18)
CIE-LCH	lch(11.87, 15.47, 281.09°)
OKLab	oklab(24.12% -0.0044 -0.0428)
OKLCH	oklch(24.12% 0.043 264.1)
XYZ	xyz(1.4189, 1.3872, 3.4411)
Luminance	0.0139 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#151F34 #342A15

analogous

#152F34 #151F34 #1B1534

triadic

#151F34 #34151F #1F3415

tetradic

#151F34 #34152F #342A15 #15341B

square

#151F34 #34152F #342A15 #15341B

split-complementary

#151F34 #341B15 #2F3415

monochromatic

#090D16 #090D16 #151F34 #273960 #38538B

Accessibility & contrast

On white

16.44

#151F34 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.28

#151F34 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #151F34

16.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##151F34	#FFFFFF	#000000	##FFFFFF
##151F34	1.00	16.44	1.28	16.44
#FFFFFF	16.44	1.00	21.00	1.00
#000000	1.28	21.00	1.00	21.00
##FFFFFF	16.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#172135

Deuteranopia (green-blind)

#131E34

Tritanopia (blue-blind)

#072427

Achromatopsia (no color)

#1F1F1F

Design tokens & code

CSS

--color: #151f34;
/* rgb */ color: rgb(21, 31, 52);
/* oklch */ color: oklch(24.1% 0.043 264.1);

Tailwind

colors: {
  custom: {
    50: '#555a6b',
    500: '#151f34',
    950: '#000000',
  },
}

SCSS

$custom: #151f34;
$custom-light: #555a6b;
$custom-dark: #000000;

JSON

{
  "hex": "#151f34",
  "rgb": {
    "r": 21,
    "g": 31,
    "b": 52
  },
  "hsl": {
    "h": 220.645,
    "s": 42.466,
    "l": 14.314
  },
  "oklch": {
    "l": 0.24123,
    "c": 0.04298,
    "h": 264.1
  },
  "luminance": 0.01387
}

Semantic roles & 50–950 ramp

primary

#151F34

secondary

#6B5B3A

accent

#AA56D2

background

#F5F5F6

surface

#E8E9EB

border

#C4C5C6

text

#030306

muted

#78787A

Preview Lab

Preview with #151F34

Body copy rendered with the generated semantic roles for this colour.

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